The losses banks incur on credit card balances has historically tracked the unemployment rate. However after the the tech bubble burst the losses on credit card balances overshot and went above the unemployment rate reaching 8%. This time its likely to go far above the unemployment rate considering the number of factors such as loss of equity value in stocks and housing and high indebtedness. The unemployment rate is 8.9% based on Labor Dept figures released for April 2009. At Citibank the loss rate is already 10.1%. As the unemployment rate exceeds 10%, the loss rate will go up even higher. Another problem lies in the shaky assumptions used in the stress tests. The stress test results showed 19 banks reviewed as expecting credit card losses of $82.4 billion by the end of 2010 in an adverse economic situation. Consulting firm Oliver Wyman estimates that losses could reach $141.5 billion by 2010 is regulators loss rate was applied to their entire credit card business, includingcredit card loans packaged into bonds and held off their balance sheets. And regulators used estimates of unemployment levels that are optimistic. If things get much worse the losses could be much higher....